Here you can find the source of contains(String[] components, String value)
public static boolean contains(String[] components, String value)
//package com.java2s; /******************************************************************************* * Copyright 2012-present Pixate, Inc.//ww w . j a v a2s.c o m * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. ******************************************************************************/ public class Main { public static boolean contains(String[] components, String value) { if (components == null || value == null) { return false; } for (String str : components) { if (str.equals(value)) { return true; } } return false; } }